Description

Yamaha AR 240 HO Engine Rebuild | Get Back on the Water

High-quality parts. Expert craftsmanship. Proven reliability.

Don’t take chances with subpar engine replacements. Choose a build that’s engineered for longevity, performance, and confidence on the water. At REV6, we remanufacture every Yamaha AR 240 HO engine to meet or exceed OEM specs—and we back it up with an industry-leading warranty.

Engine Features

• Standard No-Fault 1-year warranty with an optional 2-year No-Fault Warranty upgrade.
• We restore and reuse as many OEM parts as possible. We inspect and refurbish all OEM parts to guarantee high quality internals that keep your machine running reliably.
• All components are cleaned, dismantled, inspected and repaired as needed.
• Cylinder head inspected, cleaned, sandblasted, decked, rebuilt to manufacturer spec and undergoes a quality inspection.
• Valve guides inspected and replaced as needed.
• Valves and valve seats are recut/refaced to ensure tight seal, verified with vacuum test.
• Camshafts lobes and journals cleaned and polished, replaced as needed.
• Refurbished crankshaft.
• Cylinder block is inspected for damage. If the bore is worn or damaged, requiring replating or sleeving, there will be additional fees incurred.
• Pistons replaced with a new pistons and rings.
• Timing chain inspected for stretch and wear, replaced as needed.
• Fully inspected engine cases, tested for cracks, holes, or excessive wear.
• All gaskets and seals replaced.
• Engine assembled and torqued to manufacturer specifications.

Once your engine passes our quality control inspection, we will ship your new Rev6 rebuilt engine back to you!

Note: This is a generalized list and may include more or less, depending on the needs for your specific model or core.

Model Compatibility

• Fits: Yamaha AR 240 HO 1800 Jet Boat (2013–2015)

Backed by Our Industry-Leading Warranty

• 1-Year Warranty Included – Confidence built into every engine
• 2-Year No-Fault Warranty Upgrade – Available for $450; no questions asked coverage

Built for Reliability. Tested by Experts.

Our quality control process is thorough. Each engine is assembled by one master tech and inspected by another—because your engine deserves more than just a basic rebuild.

• Double Technician Quality Check
• 50+ Years Combined Powersports Engine Expertise

Build Core Engine Requirement

This product is classified as a Build Core Engine. It is not a drop-in engine. We remanufacture your supplied core to deliver this engine build.

To ensure performance and rebuild success, we require a complete, rebuildable core—free of major cracks, excessive wear, or missing components.

If you’re unsure whether your core qualifies, visit our Core Program for core and shipping details.